Adding Staphany as sheriff for autoroller.
Adding Staphany as sheriff for autoroller.

Change-Id: Iaa1c9b7ab5afbc01709481bffe7f0e40ecc17865
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/232718
Reviewed-by: Eric Boren <0e499112533c8544f0505ea0d08394fb5ad7d8fa@google.com>
Commit-Queue: Eric Boren <0e499112533c8544f0505ea0d08394fb5ad7d8fa@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot